"Just to set the record straight, Sharon and I are not divorcing. I'm just trying to be a better person," he wrote

in a Facebook post Monday.Osbourne, who's struggled with drug and alcohol for 40 years, admitted that he had relapsed for the last year and a half. "I was in a very dark place and was an a------ to the people I love most, my family. However, I am happy to say that I am now 44 days sober," he wrote."I would like to apologize to Sharon, my family, my friends and my band mates for my insane behavior during this period [and] my fans," his statement concluded.

On Sunday, London's The Daily Mirror reported that the Osbournes had split after 31 years of marriage and have been living apart for several weeks. TMZ also reported the split Monday, adding that the two have no plans to divorce.Their son, Jack Osbourne, denied the rumors, tweeting: "...it's all bullsh--. Last time I check a lot of British news papers weren't amazing sources of accurate information. Moving on..."